Home / 127,876.20-191,887.20-88,461.60

Finding the Fourth Proportional to 127,876.20, 191,887.20 and 88,461.60

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Solution

The fourth proportional to 127,876.20, 191,887.20 and 88,461.60 is: 132,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,876.20 : 191,887.20 = 88,461.60 : x
  2. Step 2: Convert to fraction form
    127,876.20/191,887.20 = 88,461.60/x
  3. Step 3: Cross multiply
    127,876.20x = 191,887.20 × 88,461.60
  4. Step 4: Simplify right side
    127,876.20x = 16,974,648,731.52
  5. Step 5: Solve for x
    x = 16,974,648,731.52/127,876.20
  6. Step 6: Final answer
    x = 132,742.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.